Avi Kivity wrote: > On 03/08/2010 04:10 PM, Stefan Bader wrote: >> Avi Kivity wrote: >> >>> On 03/06/2010 03:53 PM, Stefan Bader wrote: >>> >>>> i Avi, >>>> >>>> we currently try to integrate this patch for an update into a 2.6.32 >>>> based >>>> system (amongst other kvm updates). But as soon as this patch gets >>>> added kvm >>>> will die on startup in kvm_leave_lazy_mmu. This has been documented >>>> here: >>>> >>>> https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/531823 >>>> >>>> I have placed the backports of your patches, which are currently in >>>> linux-next >>>> and marked for stable here: >>>> >>>> git://kernel.ubuntu.com/smb/linux-2.6.32.y kvm >>>> >>>> I have tested the failure with a version that got only the following >>>> patches in: >>>> KVM: x86 emulator: Add Virtual-8086 mode of emulation >>>> KVM: x86 emulator: fix memory access during x86 emulation >>>> KVM: x86 emulator: Check IOPL level during io instruction emulation >>>> KVM: x86 emulator: Fix popf emulation >>>> KVM: x86 emulator: Check CPL level during privilege instruction >>>> emulation >>>> >>>> and also with a version that takes all stable patches up to the bad >>>> one: >>>> KVM: VMX: Trap and invalid MWAIT/MONITOR instruction >>>> KVM: x86 emulator: Add group8 instruction decoding >>>> KVM: x86 emulator: Add group9 instruction decoding >>>> KVM: x86 emulator: Add Virtual-8086 mode of emulation >>>> KVM: x86 emulator: fix memory access during x86 emulation >>>> >>>> But as soon as the fix for memory access gets added, the bug will >>>> occur. Would >>>> you have an idea what might be causing this? >>>> >>>> >>> Does the same guest, using the same qemu-kvm, work on kvm.git or >>> upstream? >>> >>> >> The test was done with a kvm user-space package based on 0.12.3 (which >> seems to >> be the current upstream version). I try to do a test on the git version. >> > > I meant keep the same userspace without change, and try it on a Linus > kernel or kvm.git master > (http://git.kernel.org/?p=virt/kvm/kvm.git;a=summary). > Ok, sorry I misunderstood that. As I see Linus just pulled your patches in, I will get that compiled and tested. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
